We often stick to the basic principle “Quality 1st, Prestige Supreme”. We are fully committed to giving our shoppers with competitively priced excellent products and solutions, prompt delivery and skilled provider for Top Grade China Ductile Iron Rubber Seat Flange Knife Gate Valve, Welcome your enquiry, most effective service will likely be provided with full heart.
We often stick to the basic principle “Quality 1st, Prestige Supreme”. We are fully committed to giving our shoppers with competitively priced excellent products and solutions, prompt delivery and skilled provider for China Valve, Resilient Seated, “Make the women more attractive “is our sales philosophy. “Being customers’ trusted and preferred brand supplier” is the goal of our company. We have been strict with every part of our work. We sincerely welcome friends to negotiate business and start cooperation. We hope to join hands with friends in different industries to create a brilliant future.
Technical parameters of Non rising stem resilient seated gate valve
Nominal pressureú1.0~2.5MPa
Nominal diameterú50~1200mm
working temperatureú0~80æ
Applicable media: water, gas, etc
Flange standard£ºGB/T 17241.6¡¢GB/T 9113¡¢EN1092¡¢ASME B16.5
Test standard£ºGB/T 13927¡¢API 598
Material of main parts of Non rising stem elastic seat sealing gate valve
Serial number | Part name | texture of material |
1 | valve body | Ductile iron and cast steel |
2 | Ram | Nodular cast iron coated with EPDM or NBR |
3 | Hexagon socket bolt | Carbonization treatment |
4 | seal ring | Nitrile rubber |
5 | Valve cover | Ductile iron and cast steel |
6 | Stem | stainless steel |
7 | âOâ ring | Nitrile rubber |
8 | Thrust bearing | Tin bronze |
9 | Bolt | stainless steel |
10 | Gland | Ductile iron and cast steel |
11 | dust cover | Nitrile rubber |
12 | Handwheel (driving cap) | cast iron |
Design drawing of Non rising stem elastic seat seal gate valve
Main connection dimensions                                                    mm
DN | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | |
L | F4 | 150 | 170 | 180 | 190 | 200 | 210 | 230 | 250 | 270 | 290 | 310 | 330 | 350 | 390 |
BS | 178 | 190 | 203 | 229 | 254 | 267 | 292 | 330 | 356 | 381 | 406 | 432 | 457 | 508 | |
F5 | 250 | 270 | 280 | 300 | 325 | 350 | 400 | 450 | 500 | 550 | 600 | 650 | 700 | 800 | |
Ha | 313 | 332 | 372 | 424 | 497 | 562 | 680 | 837 | 948 | 1010 | 1220 | 1280 | 1480 | 1665 | |
Hc | 355 | 375 | 415 | 476 | 540 | 600 | 720 | 875 | 990 | 1050 | 1245 | 1310 | 1560 | 1750 |